President Trump claims a drug used against malaria has been approved in the United States to treat the new coronavirus.
Chloroquine is one of the oldest and best-known anti-malarial drugs.
Amazon shutters New York warehouse after worker catches coronavirus
Govt shuts down 3 airports
COVID-19 : Monaco Prince tests positive, becomes first Head of State to be confirmed
United States sick leave aid leaves millions of workers in the cold
So is the president right and what is known about its effectiveness?
Some countries have introduced regulations to curb the use of the drug, but it has remained popular in those with an active private-sector drug market and is sold widely.